Home / 13,538,053.83-18,682,767.75-8,308,440.71

Finding the Fourth Proportional to 13,538,053.83, 18,682,767.75 and 8,308,440.71

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Solution

The fourth proportional to 13,538,053.83, 18,682,767.75 and 8,308,440.71 is: 11,465,803.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,538,053.83 : 18,682,767.75 = 8,308,440.71 : x
  2. Step 2: Convert to fraction form
    13,538,053.83/18,682,767.75 = 8,308,440.71/x
  3. Step 3: Cross multiply
    13,538,053.83x = 18,682,767.75 × 8,308,440.71
  4. Step 4: Simplify right side
    13,538,053.83x = 155,224,668,056,161.25
  5. Step 5: Solve for x
    x = 155,224,668,056,161.25/13,538,053.83
  6. Step 6: Final answer
    x = 11,465,803.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.